unable to start tomcat server

hi,

i want to develop simple application using servlets.i ve installed apache tomcat4.1 version.i ve compiled my servlet program successfully.but when i am trying to start tomcat server,it is showing some error.i ve set the callspath too.

the error is:

The JAVA_HOME environment variable is not defined correctly

This environment variable is needed to run this program

Using CATALINA_BASE:..

Using CATALINA_HOME:..

Using CATALINA_TMPDIR: ..\temp

Using JAVA_HOME:c:\jdk1.5.0_05;

The system cannot find the file -Dsun.io.useCanonCaches=false.

please resolve my problem..

thanks in advance..

[661 byte] By [chanti20983a] at [2007-11-27 10:19:57]